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Dfrobot Fermion DS3231M MEMS Precise RTC (Breakout)

Original price was: ₹1,879.45.Current price is: ₹1,560.56. (Including tax)

  • High anti-vibration
  • Internal MEMS resonator and temperature compensator
  • High precision: ±5ppm (±0.432 s/D) at -45°C to +85°C
  • Clock calendar
  • 2 programmable calendar alarms

Discount per Bulk Quantity

QuantityDiscountPrice
5 - 105%1,482.52 (Including tax)
11 - 208%1,435.70 (Including tax)
21 - 4010%1,404.49 (Including tax)
41 - 10012%1,373.28 (Including tax)

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Description

Dfrobot Fermion DS3231M MEMS Precise RTC

This MEMS Precise RTC Breakout Board adopts DS3231M chip, which integrates MEMS resonator and temperature compensator. Compared to quartz crystal clock, the real-time clock reduces the risk of mechanical failure. Therefore, it can be used in a highly vibrating environment. Within -45°C to +85°C, the accuracy of the DS3231M is ±5ppm (±0.432 s/D).

The RTC based on MEMS has already passed both shock tests and vibration tests that certified by ACE-Q100. It can withstand 2900g mechanical shock (JESD22-B104C Condition-H) and 20g variable frequency vibration (JESD22-B103B Condition-1).

The DS3231M can be powered by a coin cell battery and can still maintain accurate timing even the mains are disconnected. RTC provides information about seconds, minutes, hours, days, months, and years. It can automatically adjust the end date of the month and the leap year correction. The clock format can be 24 hours or 12 hours with AM/PM indication. It provides two programmable calendar alarms and one 1Hz square wave output. In addition, the RST check pin can be used as a key input for microprocessor reset.

Note: According to the latest Air Transport Regulations, the batteries, magnets and liquids transport will be very stringent, so the cell battery CR1220 will not come with the module any more. Please buy it from the local supermarket.

FEATURES

  • High anti-vibration
  • Internal MEMS resonator and temperature compensator
  • High precision: ±5ppm (±0.432 s/D) at -45°C to +85°C
  • Clock calendar
  • 2 programmable calendar alarms

SPECIFICATION

  • Operating Voltage: 3.3V-5.5V
  • I2C Address: 0x68
  • Timing Range: 1970~2100 year
  • Operating Temperature: -40°C to +85°C
  • Timing Precision: ±5ppm (±0.432 s/D)
  • Dimension: 22.5*21mm / 0.886*0.827inch

Dfrobot Fermion DS3231M MEMS Precise RTC (Breakout)

PROJECTS

Project 1: Making an Arduino OLED Ring Clock

The hardwares you need to do this project:

0.91”128×32 I2C OLED Displayx1

DS3231M MEMS Precise RTCx1

Beetlex1

3.7V Lithium Battery Charger x1

1000mah 3.7v Lithium Battery x1

Needle x1

A piece of elastic braid tape

DOCUMENTS

Package Include

  • DS3231M MEMS Precise RTC x1
  • 2.54-7P Pin x1
Additional information
Weight 0.05 kg
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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

  • Orders are processed within 1-2 business days after payment confirmation.
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  • If a package is delayed, lost, or damaged during transit, please contact our support team immediately.
  • Claims for lost or damaged items must be reported within 48 hours of delivery.

6. No Return Policy for Opened/Soldered Products:

  • We do not accept returns for products that have been opened, used, or soldered.
  • Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

7. Refund Policy:

  • Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
  • No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.